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8 Jan 1877 Jahr - central telefonica

Beschreibung:

se crea la primera central telefonica tras la creacion del primer conmutador en 1877

Zugefügt zum Band der Zeit:

HISTORIA DE LAS TELECOMUNICACIONES-LUIS GOMEZ -1949455

ByLuis Guillermo Gomez Aguirre

26 Nov 2018

0

0

468

Datum:

8 Jan 1877 Jahr

Jetzt

~ 148 years ago

Abbildungen:

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